--- a/client/src/lib/classifications.js	Tue Aug 27 15:51:05 2019 +0200
+++ b/client/src/lib/classifications.js	Tue Aug 27 17:07:16 2019 +0200
@@ -16,7 +16,17 @@
 
 const getGauge = f => {
   if (f.getId().indexOf("bottlenecks") > -1) {
-    return f.get("gauge_obj");
+    const GaugeProxy = (function(feature) {
+      const gauge = feature.get("gauge_obj");
+      const get = function(propName) {
+        if (gauge) return gauge.get(propName);
+        return feature.get(propName);
+      };
+      return {
+        get: get
+      };
+    })(f);
+    return GaugeProxy;
   }
   return f;
 };